For Isla Alcatras :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
N force 2 turning S force 3 in the middle of the day then SSW force 2. Gusts reaching 12 knots in the middle of the day. Slight sea. Low, fairly long swell from SSW. Poor visibility becoming excellent in the middle of the day then good.